English
Language : 

PCI1251B Datasheet, PDF (1/126 Pages) Texas Instruments – PC CARD CONTROLLER
PCI1251B GFN/GJG
PC CARD CONTROLLER
D (PCI) Power Management 1.0 Compliant
D ACPI 1.0 Compliant
D Packaged in GFN 256-Pin BGA or GJG
MicroStar BGA
D PCI Local Bus Specification Revision 2.2
Compliant
D 1997 PC Card™ Standard Compliant
D PC 99 Compliant
D 3.3-V Core Logic With Universal PCI
Interfaces Compatible With 3.3-V and 5-V
PCI Signaling Environments
D Mix-and-Match 5-V/3.3-V PC Card16 Cards
and 3.3-V CardBus Cards
D Supports Two PC Card or CardBus Slots
With Hot Insertion and Removal
D Uses Serial Interface to TI™ TPS2206 Dual
Power Switch
D Supports Burst Transfers to Maximize Data
Throughput on the PCI Bus and the
CardBus Bus
D Supports Serialized Interrupt Request (IRQ)
With PCI Interrupts
D 8-Way Legacy IRQ Multiplexing
D System Interrupts Can Be Programmed as
PCI Style or Industry Standard Architecture
(ISA-IRQ) Style
D ISA-IRQ Interrupts Can Be Serialized Onto
a Single IRQ Serial (IRQSER) Pin
D EEPROM Interface for Loading Subsystem
ID and Subsystem Vendor ID
SCPS043A – OCTOBER 1998
D Pipelined Architecture Allows Greater Than
130M-Bytes-Per-Second Throughput From
CardBus to PCI and From PCI to CardBus
D Supports Zoomed Video With Internal
Buffering
D Four General Purpose I/Os
D Multifunction PCI Device With Separate
Configuration Space for Each Socket
D Five PCI Memory Windows and Two I/O
Windows Available for Each PC Card16
Socket
D Two I/O Windows and Two Memory
Windows Available to Each CardBus
Socket
D Exchangeable Card Architecture (ExCA )
Compatible Registers Are Mappable in
Memory and I/O Space
D Supports Distributed DMA (DDMA) and
PC/PCI DMA
D Intel™ 82365SL-DF Register Compatible
D Supports 16-Bit DMA on Both PC Card
Sockets
D Supports Ring Indicate, SUSPEND, PCI
CLKRUN, and CardBus CCLKRUN
D Advanced Submicron, Low-Power CMOS
Technology
D Provides VGA/Palette Memory and I/O and
Subtractive Decoding Options
D LED Activity Pins
D Supports PCI Bus Lock (LOCK)
Table of Contents
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Signal Name/Terminal Number Sort Tables . . . . . . . . . . . . . . . . . 4
Terminal Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Power Supply Sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
I/O Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Clamping Voltages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
PCI Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
PC Card Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Programmable Interrupt Subsystem . . . . . . . . . . . . . . . . . . . . . . 32
Power Management Overview . . . . . . . . . . . . . . . . . . . . . . . . . . 36
PC Card Controller Programming Model . . . . . . . . . . . . . . . . . . 40
PCI Configuration Registers (Functions 0 and 1) . . . . . . . . . . . 40
ExCA Compatibility Registers (Functions 0 and 1) . . . . . . . . . 76
CardBus Socket Registers (Functions 0 and 1) . . . . . . . . . . . . . . 100
Distributed DMA (DDMA) Registers . . . . . . . . . . . . . . . . . . . . . . . . 108
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Recommended Operating Conditions . . . . . . . . . . . . . . . . . . . . . . 115
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
PCI Clock/Reset Timing Requirements . . . . . . . . . . . . . . . . . . . . . 117
PCI Timing Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Parameter Measurement Information . . . . . . . . . . . . . . . . . . . . . . . 118
PCI Bus Parameter Measurement Information . . . . . . . . . . . . . . . 119
PC Card Cycle Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Timing Requirements, (Memory Cycles) . . . . . . . . . . . . . . . . . . . . 121
Timing Requirements, (I/O Cycles) . . . . . . . . . . . . . . . . . . . . . . . . . 121
Switching Characteristics (Miscellaneous) . . . . . . . . . . . . . . . . . . 122
PC Card Parameter Measurement Information . . . . . . . . . . . . . . . 122
Mechanical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Intel is a trademark of Intel Corporation.
PC Card is a trademark of Personal Computer Memory Card International Association (PCMCIA).
TI is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright © 1998, Texas Instruments Incorporated
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
1